PAC5255 Datasheet, PDF (2/71 Pages) Active-Semi, Inc – Power Application Controller

PAC5255
Power Application Controller
TABLE OF CONTENTS
1. General Description........................................................................................................................................... 7
2. PAC Family Applications.................................................................................................................................... 9
3. Product Selection Summary............................................................................................................................. 10
4. Ordering Information........................................................................................................................................ 10
5. PAC5255 Features........................................................................................................................................... 11
6. Absolute Maximum Ratings.............................................................................................................................. 13
7. Architectural Block Diagram............................................................................................................................. 14
8. Pin Configuration.............................................................................................................................................. 15
8.1. PAC5255QF............................................................................................................................................. 15
9. Pin Description................................................................................................................................................. 16
10. Multi-Mode Power Manager (MMPM)............................................................................................................ 22
10.1. Features................................................................................................................................................. 22
10.2. Block Diagram........................................................................................................................................ 22
10.3. Functional Description............................................................................................................................ 22
10.3.1. Multi-Mode Switching Supply (MMSS) Controller...........................................................................22
10.3.2. Linear Regulators........................................................................................................................... 24
10.3.3. Power Up Sequence...................................................................................................................... 25
10.3.4. Hibernate Mode.............................................................................................................................. 25
10.3.5. Power and Temperature Monitor.................................................................................................... 26
10.3.6. Voltage Reference.......................................................................................................................... 26
10.4. Electrical Characteristics........................................................................................................................ 27
10.5. Typical Performance Characteristics...................................................................................................... 30
11. Configurable Analog Front End (CAFE).......................................................................................................... 31
11.1. Block Diagram........................................................................................................................................ 31
11.2. Functional Description............................................................................................................................ 32
11.2.1. Differential Programmable Gain Amplifier (DA)..............................................................................32
11.2.2. Single-Ended Programmable Gain Amplifier (AMP).......................................................................32
11.2.3. General Purpose Comparator (CMP)............................................................................................. 32
11.2.4. Phase Comparator (PHC).............................................................................................................. 32
11.2.5. Protection Comparator (PCMP)...................................................................................................... 32
11.2.6. Analog Output Buffer (BUF)............................................................................................................ 33
11.2.7. Analog Front End I/O (AIO)............................................................................................................ 33
11.2.8. Push Button (PBTN)....................................................................................................................... 33
11.2.9. HP DAC and LP DAC..................................................................................................................... 33
11.2.10. ADC Pre-Multiplexer..................................................................................................................... 33
11.2.11. Configurable Analog Signal Matrix (CASM)..................................................................................33
11.2.12. Configurable Digital Signal Matrix (CDSM)...................................................................................33
11.3. Electrical Characteristics........................................................................................................................ 35
11.4. Typical Performance Characteristics...................................................................................................... 39
12. Application Specific Power Drivers (ASPD).................................................................................................... 40
12.1. Features................................................................................................................................................. 40
12.2. Block Diagram........................................................................................................................................ 40
12.3. Functional Description............................................................................................................................ 40
12.3.1. Low-Side Gate Driver..................................................................................................................... 41
12.3.2. Ultra-High-Voltage Gate Driver....................................................................................................... 41
12.3.3. High-Side Switching Transients...................................................................................................... 41
12.3.4. Open-Drain Drivers........................................................................................................................ 42
12.3.5. Power Drivers Control.................................................................................................................... 42
12.3.6. Gate Driver Fault Protection........................................................................................................... 43
12.3.7. Low-Speed Clock Output............................................................................................................... 43
12.4. Electrical Characteristics........................................................................................................................ 44
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Rev 1.1‒April 15, 2016